Judith 1:5

5 Even in those days king Nabuchodonosor made war with king Arphaxad in the great plain, which is the plain in the borders of Ragau.

Judith 1:5 In-Context

3 And set the towers thereof upon the gates of it an hundred cubits high, and the breadth thereof in the foundation threescore cubits:
4 And he made the gates thereof, even gates that were raised to the height of seventy cubits, and the breadth of them was forty cubits, for the going forth of his mighty armies, and for the setting in array of his footmen:
5 Even in those days king Nabuchodonosor made war with king Arphaxad in the great plain, which is the plain in the borders of Ragau.
6 And there came unto him all they that dwelt in the hill country, and all that dwelt by Euphrates, and Tigris and Hydaspes, and the plain of Arioch the king of the Elymeans, and very many nations of the sons of Chelod, assembled themselves to the battle.
7 Then Nabuchodonosor king of the Assyrians sent unto all that dwelt in Persia, and to all that dwelt westward, and to those that dwelt in Cilicia, and Damascus, and Libanus, and Antilibanus, and to all that dwelt upon the sea coast,

The Brenton translation of the Septuagint is in the public domain.